52005

Project unloading failed (For ER series, version V5.0)

52005

Alarm cause: While the program is running, it cannot be unloaded, switching to the stopped state fails, or switching to single-step mode fails

Corrective measures: 1. Is the program running? 2. Is it in the stopped state? 3. Is it in single-step mode?

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 52005

Brand	ESTUN
Updated	2026-10-27

52005

Alarm cause: While the program is running, it cannot be unloaded, switching to the stopped state fails, or switching to single-step mode fails

Corrective measures: 1. Is the program running? 2. Is it in the stopped state? 3. Is it in single-step mode?

Applicable equipment

Source: Fault JSON · ESTUN_fault_codes_zh_en.json · SHA-256 e318b3bb20315d070a7f50bd7649bf7dfd7d178030a4f7c736a5aa22f48095f9 · 52005

Brand	ESTUN
Updated	2026-10-27